Oil and natural gas are fossil fuels formed from the remains of ancient plants and animals buried under layers of sediment for millions of years. They are primarily found in underground reservoirs and are extracted through drilling. Oil is a thick, black liquid, while natural gas is a colorless, odorless gas. Both are used as energy sources for heating, electricity generation, and powering vehicles. These resources are crucial for the global economy, providing energy for industries and households. However, their extraction and use can lead to environmental concerns, including air pollution and climate change. Efforts are ongoing to find cleaner alternatives and reduce reliance on fossil fuels.